It's a wrench for your pedals. Nothing fancy but it's heavy duty and does exactly what it's advertised for. It offers enough leverage to get the most stuck pedals off. A regular wrench usually doesn't fit on the pedal flats.

This is a handy wrench to have in the tool box. It isn't needed often, but when pedals need to come off, a regular box end wrench or crescent wrench just won't do. Park makes a slightly more expensive model that has the grabber notch at a more optimum offset angle, but the true test is whether or not it gets the job done, and when it's needed, this wrench does the trick.

I rarely need to remove or install pedals, but when I do, there is no substitute for a good pedal wrench. And this is it. Even if, like me, you use it only once every few years (such as when switching to another bike), the wrench will last a lifetime, and it will save you a trip to the shop.